package com.itheima.controller;

import com.itheima.pojo.Emp;

import com.itheima.pojo.Result;
import com.itheima.service.EmpService;
import com.itheima.utils.JwtUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;

@RestController
public class LoginController {
    @Autowired
    private EmpService empService;

    @PostMapping("/login")
    public Result login(@RequestBody Emp emp) {
        //调用业务层：登录功能
        Emp loginEmp = empService.login(emp);
//判断：登录用户是否存在
        if(loginEmp !=null ){
//自定义信息
        Map<String, Object> claims = new HashMap<>();
        claims.put("id", loginEmp.getId());
        claims.put("username", loginEmp.getUsername());
        claims.put("name", loginEmp.getName());
//使用JWT工具类，生成身份令牌
        String token = JwtUtils.generateJwt(claims);
        return Result.success(token);
    }
    return Result.error("用户名或密码错误");
}

}
